heartful adjective 1noun 1forms 4 adjective1 •Sincere and compassionate.They shall mourne foꝛ the with hertfull soꝛow, […] — 1535 noun1 •An amount of emotion considered to be present in the heart.How many heartfuls of sorrow shall balance a bushel of wheat? — 1903 formsheartfuls · heartsful · more heartful · most heartful